1 Scope
2 Normative reference
3 Definitions
4 Classification
5 Demonstration of compliance
Annex A (normative) - Reference method for
determination of air cleanliness classification
by particle concentration
Annex B (informative) - Worked examples of classification
calculations
Annex C (informative) - Considerations for counting and
sizing of particles outside the size range applicable
for classification
Annex D (informative) - Sequential sampling procedure
Annex E (informative) - Illustration of the ISO cleanliness
classes
Bibliography